/*
 *      @(#)AppearanceTest.java 1.25 01/01/11 07:29:43
 *
 * Copyright (c) 1996-2001 Sun Microsystems, Inc. All Rights Reserved.
 *
 * Sun grants you ("Licensee") a non-exclusive, royalty free, license to use,
 * modify and redistribute this software in source and binary code form,
 * provided that i) this copyright notice and license appear on all copies of
 * the software; and ii) Licensee does not utilize the software in a manner
 * which is disparaging to Sun.
 *
 * This software is provided "AS IS," without a warranty of any kind. ALL
 * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
 * IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
 * NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE
 * LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
 * OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS
 * LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
 * INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
 * CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF
 * OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGES.
 *
 * This software is not designed or intended for use in on-line control of
 * aircraft, air traffic, aircraft navigation or aircraft communications; or in
 * the design, construction, operation or maintenance of any nuclear
 * facility. Licensee represents and warrants that it will not use or
 * redistribute the Software for such purposes.
 */

import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;
import com.sun.j3d.utils.applet.MainFrame;
import com.sun.j3d.utils.universe.*;
import com.sun.j3d.utils.image.TextureLoader;
import javax.media.j3d.*;
import javax.vecmath.*;

import com.sun.j3d.utils.behaviors.mouse.MouseRotate;

public class AppearanceTest extends Applet {

// YN   Set to true to demonstrate the bug
    private static final boolean SHOW_BUG = true;

    private java.net.URL texImage = null;
    private java.net.URL bgImage = null;

    private SimpleUniverse u = null;

    private BranchGroup createSceneGraph() {
        // Create the root of the branch graph
        BranchGroup objRoot = new BranchGroup();

        // Create a bounds for the background and lights
        BoundingSphere bounds =
            new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0);

        // Set up the background
        TextureLoader bgTexture = new TextureLoader(bgImage, this);
        Background bg = new Background(bgTexture.getImage());
        bg.setApplicationBounds(bounds);
        objRoot.addChild(bg);

        // Set up the global lights
        Color3f lColor1 = new Color3f(0.7f, 0.7f, 0.7f);
        Vector3f lDir1  = new Vector3f(-1.0f, -1.0f, -1.0f);
        Color3f alColor = new Color3f(0.2f, 0.2f, 0.2f);

        AmbientLight aLgt = new AmbientLight(alColor);
        aLgt.setInfluencingBounds(bounds);
        DirectionalLight lgt1 = new DirectionalLight(lColor1, lDir1);
        lgt1.setInfluencingBounds(bounds);
        objRoot.addChild(aLgt);
        objRoot.addChild(lgt1);

// YN    This only to see shapes better
    TransformGroup mrotgroup = new TransformGroup();
    mrotgroup.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
    mrotgroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    MouseRotate mrotbeh = new MouseRotate(mrotgroup);
    mrotbeh.setSchedulingBounds(bounds);
    mrotgroup.addChild(mrotbeh);

        // Create a bunch of objects with a behavior and add them
        // into the scene graph.

        int row, col;
        Appearance[][] app = new Appearance[3][3];

        for (row = 0; row < 3; row++)
            for (col = 0; col < 3; col++)
                app[row][col] = createAppearance(row * 3 + col);

        for (int i = 0; i < 3; i++) {
            double ypos = (double)(i - 1) * 0.6;
            for (int j = 0; j < 3; j++) {
                double xpos = (double)(j - 1) * 0.6;
//              objRoot.addChild(createObject(app[i][j], 0.12,  xpos, ypos));
                mrotgroup.addChild(createObject(app[i][j], 0.12,  xpos, ypos));
            }
        }

        // Let Java 3D perform optimizations on this scene graph.
//        objRoot.compile();

// YN attach ordered group
    if (SHOW_BUG) {
        OrderedGroup mordgroup = new OrderedGroup();
        mordgroup.addChild(mrotgroup);
        objRoot.addChild(mordgroup);
    } else
// YN attach rotational group
        objRoot.addChild(mrotgroup);

        return objRoot;
    }


    private Appearance createAppearance(int idx) {
        Appearance app = new Appearance();

        // Globally used colors
        Color3f black = new Color3f(0.0f, 0.0f, 0.0f);
        Color3f white = new Color3f(1.0f, 1.0f, 1.0f);

        switch (idx) {
        // Unlit solid
        case 0:
            {
                // Set up the coloring properties
                Color3f objColor = new Color3f(1.0f, 0.2f, 0.4f);
                ColoringAttributes ca = new ColoringAttributes();
                ca.setColor(objColor);
                app.setColoringAttributes(ca);
                break;
            }


        // Unlit wire frame
        case 1:
            {
                // Set up the coloring properties
                Color3f objColor = new Color3f(0.5f, 0.0f, 0.2f);
                ColoringAttributes ca = new ColoringAttributes();
                ca.setColor(objColor);
                app.setColoringAttributes(ca);

                // Set up the polygon attributes
                PolygonAttributes pa = new PolygonAttributes();
                pa.setPolygonMode(pa.POLYGON_LINE);
                pa.setCullFace(pa.CULL_NONE);
                app.setPolygonAttributes(pa);
                break;
            }

        // Unlit points
        case 2:
            {
                // Set up the coloring properties
                Color3f objColor = new Color3f(0.2f, 0.2f, 1.0f);
                ColoringAttributes ca = new ColoringAttributes();
                ca.setColor(objColor);
                app.setColoringAttributes(ca);

                // Set up the polygon attributes
                PolygonAttributes pa = new PolygonAttributes();
                pa.setPolygonMode(pa.POLYGON_POINT);
                pa.setCullFace(pa.CULL_NONE);
                app.setPolygonAttributes(pa);

                // Set up point attributes
                PointAttributes pta = new PointAttributes();
                pta.setPointSize(5.0f);
                app.setPointAttributes(pta);
                break;
            }

        // Lit solid
        case 3:
            {
                // Set up the material properties
                Color3f objColor = new Color3f(0.8f, 0.0f, 0.0f);
                app.setMaterial(new Material(objColor, black, objColor,
                                             white, 80.0f));
                break;
            }

        // Texture mapped, lit solid
        case 4:
            {
                // Set up the texture map
                TextureLoader tex = new TextureLoader(texImage, this);
                app.setTexture(tex.getTexture());

                TextureAttributes texAttr = new TextureAttributes();
                texAttr.setTextureMode(TextureAttributes.MODULATE);
                app.setTextureAttributes(texAttr);

                // Set up the material properties
                app.setMaterial(new Material(white, black, white, black, 1.0f));
                break;
            }

        // Transparent, lit solid
        case 5:
            {
                // Set up the transparency properties
                TransparencyAttributes ta = new TransparencyAttributes();
                ta.setTransparencyMode(ta.BLENDED);
                ta.setTransparency(0.6f);
                app.setTransparencyAttributes(ta);

                // Set up the polygon attributes
                PolygonAttributes pa = new PolygonAttributes();
                pa.setCullFace(pa.CULL_NONE);
                app.setPolygonAttributes(pa);

                // Set up the material properties
                Color3f objColor = new Color3f(0.7f, 0.8f, 1.0f);
                app.setMaterial(new Material(objColor, black, objColor,
                                             black, 1.0f));
                break;
            }

        // Lit solid, no specular
        case 6:
            {
                // Set up the material properties
                Color3f objColor = new Color3f(0.8f, 0.0f, 0.0f);
                app.setMaterial(new Material(objColor, black, objColor,
                                             black, 80.0f));
                break;
            }

        // Lit solid, specular only
        case 7:
            {
                // Set up the material properties
                Color3f objColor = new Color3f(0.8f, 0.0f, 0.0f);
                app.setMaterial(new Material(black, black, black,
                                             white, 80.0f));
                break;
            }

        // Another lit solid with a different color
        case 8:
            {
                // Set up the material properties
                Color3f objColor = new Color3f(0.8f, 0.8f, 0.0f);
                app.setMaterial(new Material(objColor, black, objColor,
                                             white, 80.0f));
                break;
            }

        default:
            {
                ColoringAttributes ca = new ColoringAttributes();
                ca.setColor(new Color3f(0.0f, 1.0f, 0.0f));
                app.setColoringAttributes(ca);
            }
        }

        return app;
    }


    private Group createObject(Appearance app, double scale,
                               double xpos, double ypos) {

        // Create a transform group node to scale and position the object.
        Transform3D t = new Transform3D();
        t.set(scale, new Vector3d(xpos, ypos, 0.0));
        TransformGroup objTrans = new TransformGroup(t);

        // Create a second transform group node and initialize it to the
        // identity.  Enable the TRANSFORM_WRITE capability so that
        // our behavior code can modify it at runtime.
        TransformGroup spinTg = new TransformGroup();
        spinTg.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);

        // Create a simple shape leaf node and set the appearance
        Shape3D shape = new Tetrahedron();
        shape.setAppearance(app);

        // add it to the scene graph.
        spinTg.addChild(shape);

        // Create a new Behavior object that will perform the desired
        // operation on the specified transform object and add it into
        // the scene graph.
        Transform3D yAxis = new Transform3D();
        Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE,
                                        0, 0,
                                        5000, 0, 0,
                                        0, 0, 0);

        RotationInterpolator rotator =
            new RotationInterpolator(rotationAlpha, spinTg, yAxis,
                                     0.0f, (float) Math.PI*2.0f);

        BoundingSphere bounds =
            new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0);

        rotator.setSchedulingBounds(bounds);

        // Add the behavior and the transform group to the object
        objTrans.addChild(rotator);
        objTrans.addChild(spinTg);

        return objTrans;
    }


    public AppearanceTest() {
    }

    public AppearanceTest(java.net.URL bgurl, java.net.URL texurl) {
        bgImage = bgurl;
        texImage = texurl;
    }

    public void init() {
        if (bgImage == null) {
            // the path to the image for an applet
            try {
                bgImage = new java.net.URL(getCodeBase().toString() +
                                           "../images/bg.jpg");
            }
            catch (java.net.MalformedURLException ex) {
                System.out.println(ex.getMessage());
                System.exit(1);
            }
        }

        if (texImage == null) {
            // the path to the image for an applet
            try {
                texImage = new java.net.URL(getCodeBase().toString() +
                                            "../images/apimage.jpg");
            }
            catch (java.net.MalformedURLException ex) {
                System.out.println(ex.getMessage());
                System.exit(1);
            }
        }
        setLayout(new BorderLayout());
        GraphicsConfiguration config =
           SimpleUniverse.getPreferredConfiguration();

        Canvas3D c = new Canvas3D(config);
        add("Center", c);

        // Create a simple scene and attach it to the virtual universe
        BranchGroup scene = createSceneGraph();
        u = new SimpleUniverse(c);

        // This will move the ViewPlatform back a bit so the
        // objects in the scene can be viewed.
        u.getViewingPlatform().setNominalViewingTransform();

        u.addBranchGraph(scene);
    }

    public void destroy() {
    u.removeAllLocales();
    }


    //
    // The following allows AppearanceTest to be run as an application
    // as well as an applet
    //
    public static void main(String[] args) {
        // the path to the image file for an application
        java.net.URL bgurl = null;
        java.net.URL texurl = null;
        try {
          bgurl = new java.net.URL("file:../images/bg.jpg");
          texurl = new java.net.URL("file:../images/apimage.jpg");
        }
        catch (java.net.MalformedURLException ex) {
            System.out.println(ex.getMessage());
            System.exit(1);
        }
        new MainFrame(new AppearanceTest(bgurl, texurl), 700, 700);
    }
}